kibble\kib"ble\, n. a large iron bucket used in cornwall and wales for raising ore out of mines. [prov. eng.] [written also kibbal.]kibble \kib"ble\ (?), v. t. to bruise; to grind coarsely; as, kibbled oats. [prov.eng.]kibble n1. coarsely ground grain in the form of pellets (as for pet food)2. an iron bucket used for hoisting in wells or mining